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We investigate atomistic details of a single atom extraction process realized by using scanning tunneling microscope (STM) tip-cluster interaction on a Ag(111) surface at 6 K. Single atoms are extracted from a silver cluster one atom at a…

Materials Science · Physics 2015-06-25 A. Deshpande , H. Yildirim , A. Kara , D. P. Acharya , J. Vaughn , T. S. Rahman , S. -W. Hla

We present the design and operation of a very-low temperature Scanning Tunneling Microscope (STM) working at $60 mK$ in a dilution refrigerator. The STM features both atomic resolution and micron-sized scanning range at low temperature.…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 N. Moussy , H. Courtois , B. Pannetier

Pushing forward the understanding of general non-unitary dynamics in controlled quantum platforms has been fueled by the recent discovery of measurement-induced phases and phase transitions. So far, these transitions remained largely…

Disordered Systems and Neural Networks · Physics 2022-08-24 M. Buchhold , T. Müller , S. Diehl

Light emission spectrum from a scanning tunnelling microscope (LESTM) is investigated as a function of relative humidity and shown to be a novel and sensitive means for probing the growth and properties of a water meniscus in the nm-scale.…

Mesoscale and Nanoscale Physics · Physics 2012-07-18 Michael G Boyle , J Mitra , Paul Dawson

The scanning tunneling microscopy induced luminescence (STML) can be used to probe the optical and electronic properties of molecules. Concerning the vibronic coupling, we model the molecule as a two-level system with the vibrational…

Mesoscale and Nanoscale Physics · Physics 2023-11-09 Fei Wen , Guohui Dong

Inelastic electron tunneling in a scanning tunneling microscope (STM) is used to generate excitons in monolayer tungsten disulfide (WS$_2$). Excitonic electroluminescence is measured both at positive and negative sample bias. Using optical…

In this paper, we have designed a low-cost scanning tunneling microscope (STM) priced at 300 USD or 2000 CNY. This microscope is suitable for educational purposes and low-demand research imaging at the nanometer level. This microscope's…

Instrumentation and Detectors · Physics 2024-01-17 Weilin Ma

Scanning Transmission Electron Microscopy (STEM) offers high-resolution images that are used to quantify the nanoscale atomic structure and composition of materials and biological specimens. In many cases, however, the resolution is limited…

Signal Processing · Electrical Eng. & Systems 2021-12-23 Daniel Nicholls , Alex Robinson , Jack Wells , Amirafshar Moshtaghpour , Mounib Bahri , Angus Kirkland , Nigel Browning

Quantum State Tomography (QST) has been the traditional method for characterization of an unknown state. Recently, many direct measurement methods have been implemented to reconstruct the state in a resource efficient way. In this letter,…

Quantum Physics · Physics 2020-09-23 Surya Narayan Sahoo , Sanchari Chakraborti , Arun K. Pati , Urbasi Sinha

We report the results of a cryogenic study of the modification of YBa2Cu3O7-delta surface electronic properties with the probe of a scanning tunneling microscope (STM). A negative voltage applied to the sample during STM tunneling is found…

Superconductivity · Physics 2009-11-10 S. Urazhdin , W. K. Neils , S. H. Tessmer , Norman O. Birge , D. J. Van Harlingen

The role of the tip in inelastic electron tunneling spectroscopy (IETS) performed with scanning tunneling microscopes (STM) is theoretically addressed via first-principles simulations of vibrational spectra of single carbon monoxide (CO)…

Mesoscale and Nanoscale Physics · Physics 2011-04-12 Aran Garcia-Lekue , Daniel Sanchez-Portal , Andres Arnau , Thomas Frederiksen

We introduce a statistical correlation analysis method to obtain information on the local geometry and orientation of the tip used in scanning tunneling microscopy (STM) experiments based on large scale simulations. The key quantity is the…

Materials Science · Physics 2015-03-17 Gábor Mándi , Gilberto Teobaldi , Krisztián Palotás

Many atomically thin exfoliated 2D materials degrade when exposed to ambient conditions. They can be protected and investigated by means of transport and optical measurements if they are encapsulated between chemically inert single layers…

In the fields of nanoscience and nanotechnology, it is important to be able to functionalize surfaces chemically for a wide variety of applications. Scanning tunneling microscopes (STMs) are important instruments in this area used to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Bui Kevin , Fauman Jacob , Kes David , Torres Mandiola Leticia , Ciomaga Adina , Salazar Ricardo , Bertozzi L. Andrea , Gilles Jerome , Guttentag I. Andrew , Weiss S. Paul

We propose a theory for a type of apertureless scanning near field microscopy that is intended to allow the measurement of magnetism on a nanometer length scale. A scanning probe, for example a scanning tunneling microscope (STM) tip, is…

Condensed Matter · Physics 2007-05-23 Peter Johansson , S. Peter Apell , D. R. Penn

Quantum-logic techniques used to manipulate quantum systems are now increasingly being applied to molecules. Previous experiments on single trapped diatomic species have enabled state detection with excellent fidelities and highly precise…

Quantum Physics · Physics 2025-03-18 Kaveh Najafian , Ziv Meir , Mudit Sinhal , Stefan Willitsch

Magnetic media remain a key in information storage and processing. The continuous increase of storage densities and the desire for quantum memories and computers pushes the limits of magnetic characterisation techniques. Ultimately, a tool…

We propose a novel probe technique capable of performing local low-temperature spectroscopy on a 2D electron system (2DES) in a semiconductor heterostructure. Motivated by predicted spatially-structured electron phases, the probe uses a…

Mesoscale and Nanoscale Physics · Physics 2011-01-06 Adam Sciambi , Matthew Pelliccione , Seth R. Bank , Arthur C. Gossard , David Goldhaber-Gordon

Direct state tomography (DST) using weak measurements has received wide attention. Based on the concept of coupling-deformed pointer observables presented by Zhang \emph{et al}.[Phys. Rev. A \textbf{93}, 032128 (2016)], a modified direct…

Quantum Physics · Physics 2016-06-29 Xuanmin Zhu , Yu-Xiang Zhang , Shengjun Wu

We report on tuning the carrier capture events at a single dangling bond (DB) midgap state by varying the substrate temperature, doping type, and doping concentration. All-electronic time-resolved scanning tunneling microscopy (TR-STM) is…

Mesoscale and Nanoscale Physics · Physics 2017-11-03 Mohammad Rashidi , Erika Lloyd , Taleana R. Huff , Roshan Achal , Marco Taucer , Jeremiah J. Croshaw , Robert A. Wolkow